• Country
• Germany

• Manufacturer / Brand
• Kersten GmbH, Walter; Berlin-Rosenthal

• Year
• 1924

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 15307

• • Brand: Radio-Baby

• Number of Tubes
• 1

• Valves / Tubes

• Power type and voltage
• Storage and/or dry batteries

• Loudspeaker
• - For headphones or amp.

• Material
• Wooden case, TUBES VISIBLE.

• from Radiomuseum.org
• Model: NF-Verstärker - Kersten GmbH, Walter; Berlin-

• Notes
• einstufiger NF-Verstärker; gl. Aussehen wie Radio-Baby

• External source of data
• E. Erb 3-907007-36-0

• Source of data
• Radiokatalog Band 2, Ernst Erb

• Mentioned in
• Historische Radios Band III (19B)

• Picture reference
• Das Gerät ist im Doppelband "Historische Radios" von Günther Abele abgebildet.

• Other Models

• Here you find 3 models, 1 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Kersten GmbH, Walter; Berlin-Rosenthal